Home / 28,233,150.03-42,331,140.41-18,619,214.67

Finding the Fourth Proportional to 28,233,150.03, 42,331,140.41 and 18,619,214.67

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Solution

The fourth proportional to 28,233,150.03, 42,331,140.41 and 18,619,214.67 is: 27,916,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233,150.03 : 42,331,140.41 = 18,619,214.67 : x
  2. Step 2: Convert to fraction form
    28,233,150.03/42,331,140.41 = 18,619,214.67/x
  3. Step 3: Cross multiply
    28,233,150.03x = 42,331,140.41 × 18,619,214.67
  4. Step 4: Simplify right side
    28,233,150.03x = 788,172,590,426,605.88
  5. Step 5: Solve for x
    x = 788,172,590,426,605.88/28,233,150.03
  6. Step 6: Final answer
    x = 27,916,565.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.